Important Change for Grid 12.2 Upgrade and MGMTDB

I just did an Grid Infrastructure Update to Oracle 12.2 with the latest PSU Aug 2017.

I did my preparation with the help of the Doc ID 2111010.1

„12.2 Grid Infrastructure and Database Upgrade steps for Exadata Database Machine running 11.2.0.3 and later on Oracle Linux“

In the Post-upgrade Steps was written that the Management DB should be deconfigured

  • Post-upgrade Steps

      • Deconfigure MGMTDB

 

The deconfigure is obsolete and the (more...)

Exadata 18 available

Yes, that great news for all Exadata guys.

The documentation is also updated. So please check first the Maintenance Guide.

Oracle Exadata Database Machine Maintenance Guide.

Have fun :-)

 


Flashback in a Data Guard Environment but what are the steps

The Setup of an Data Guard environment with Physical Standby via Data Guard Broker was done including an Switchover. Everything fine and works as expected. (Oracle Release is 12.1.0.2 and PSU Jan 2017).

The Dev Team asked for a Flashback Database if possible a few days ago. Okay no problem. But what do I have to do exactly.

What are the steps to do? ( The requested timestamp for Flashback on (more...)

Problems with Adaptive Features in 12.1.0.2 What’s to do?

The Adaptive Features is divided in two parts

  • Adaptive Plans
    • the possibility to change plans during execution
  • Adaptive Statistics
    • the statistics allow plans to be built from the results of previous executions

Version 12.1 

In 12.1 both components  will be managed by the parameter „optimizer_features_enable“ and is per default on „TRUE“.

Version 12.2

In 12.2 the parameter „optimizer_features_enable“ obsolete. The adaptive feature is now controlled by two parameters

  • optimizer_adaptive_statistics default „FALSE“
  • (more...)

Oracle RU is available

Today Oracle released a very large „monster“ Upgrade. This July 2017 Update includes the first time the new RU „Release Upgrade“ and RUR „Release Update Revision“ Patches.

To be up to date read the following My Oracle Support Doc-ID’s

Actually I can’t find a FAQ but I think this (more...)

Oracle ACE

Vor zwei Jahren als Oracle ACE Associate gestartet, wurde ich nun zum Oracle ACE „befördert“.  Vielen Dank

Two years ago I started as Oracle ACE Associate and now I was „promoted“ to the Oracle ACE status. Many Thanks

 

 

 

 

 

 


Oracle RAC 12.1 Summary Deployment and Admin

If you need a good overview and introduction in Oracle 12.1 RAC take a look to the following document.

RAC-12.1-Deployment-Admin

 

 

 

 

 


How to fix ‚PLAN_TABLE‘ is old version

During a lot of SQL Performance activities I saw all the time the following message but why?


Note
-----
- 'PLAN_TABLE' is old version

Yes, I did a few days before an Upgrade from 11.2.0.4 -> 12.1.0.2. Now I start to check out some important SQL Queries but I the „old version“ message


sqlplus

set autotrace traceonly explain

select * from dual;

and again

Note ------

'PLAN_TABLE' is old  (more...)

40 Years of Oracle Database Innovation

Happy birthday Oracle :-)

 


rman auxiliary (for duplicate)

I just do some tests with the Oracle 12.2 Release and while doing tests it is all the time better to have a second database and that is the time for rman. So I looked around and found an easy way to duplicate a database from a Backup. Here the details:

My environment

OL 7.3 with an Oracle 12.2 + DATABASE BUNDLE PATCH: 12.2.0.1.170516 (25862693)

I setup an (more...)